Audio ports are connectors on electronic devices that allow for the transmission of sound signals. Common types include 3.5mm audio jacks, USB ports, and HDMI connectors. These ports enable users to connect headphones, speakers, or microphones to devices like computers, smartphones, and televisions. Each audio port serves a specific purpose. For instance, the 3.5mm audio jack is widely used for headphones, while USB ports can transmit digital audio and power devices. HDMI connectors carry both audio and video signals, making them ideal for connecting media players and gaming consoles to TVs.